208 ACADEMY OF NATURAL SCIENCES 



CLYTHRA Laich, Latr. 



C. 4-GUTTATA. — Black ; elytra, with a large, red, humeral 

 spot, and an orbicular terminal one. 



Inhabits the United States. 



Cryptoceplialus 4i-ffuttatus Oliv. in Melsh. Catal. 



Body deep black, polished, punctured : head and thorax, punc- 

 tures minute, profound ; elytra, punctures obsolete or very 

 slightly impressed ; a large red spot on the humerus, and another 

 orbicular one at the tip of each. 



Length three-twentieths of an inch. 



Very much resembles Cryptoceplialus 4-maculafus. 



[Previously described as C. laticlavis Forster, C ohsita Fabr., 

 and G. nigripes Fabr. ; C. ephippium Germ, is also a synonym. — 

 Lec] 



CRYPTOCEPHALUS. 



1. C. NIGRICORNIS. — Black; thorax and elytra obscurely 

 margined with rufous. 



Inhabits Missouri. 



Body black, punctured: labrum and basal joints [437] of 

 the antennae, beneath rufous : thorax, lateral margin rufous ; 

 edge black : elytra with regular series of punctures ; exterior 

 margin, tip, base, and subsutural line obscure rufous ; edge 

 black ; an obsolete, rufous spot each side of the tail. 



Length less than three-twentieths of an inch. 



One or two of the interstitial lines of the elytra are sometimes 

 very obsoletely rufous, particularly in the larger females. In 

 some of the males the rufous margin is hardly perceptible. 



[Belongs to Pachybrachys, according to Suffrian, Linn. Ent. 

 7, 161.— Leg.] 



2. C. ABDOMiNALis. — Gray-brown ; the punctures black ; be- 

 neath black ; feet and margin of the abdomen pale. 



Inhabits Missouri. 



Body gray -brown, punctured: head and thorax irregularly 

 clouded with markings composed of blackish, impressed punc- 

 tures : elytra striate with black punctures : beneath black : feet 

 pale, with a black femoral spot ; edge of the venter pale : tail 

 whitish, with small, blackish dots. 



[Yol. IIL 



